Practice Start Test

Digestion and Absorption

NEET Biology · 88 questions · Page 9 of 9 · Click an option or "Show Solution" to reveal answer

Q81
A healthy person eats 5g raw sugar, 4g albumin, 12g pure fat and 5g lignin. How many calories will he get?
A 144
B 126
C 164
D 112
Correct Answer
Option A
Solution

(a) 5g sugar = 20 kcal; 4g albumin = 16 kcal; 12g fat = 108 kcal; lignin is indigestible; Total = 144 kcal.

Q82
If for some reason our goblet cells are non-functional, this will adversely affect:
A production of somatostatin
B secretion of sebum from the sebaceous glands
C maturation of sperms
D smooth movement of food down the intestine
Correct Answer
Option D
Solution

(d) Goblet cells secrete mucus to lubricate food for easy passage.

Non-functional goblet cells affect smooth movement of food.

Q83
Which one of the following correctly represents the normal adult human dental formula?
A 33, 11, 32, 11
B 22, 11, 32, 33
C 22, 11, 22, 33
D 33, 11, 33, 33
Correct Answer
Option C
Solution

(c) Adult dental formula of human is Incisor 22, Canine 11, Premolar 22, Molar 33.

Q84
Two friends are eating. One suddenly starts coughing while swallowing food. This coughing was due to improper movement of:
A epiglottis
B diaphragm
C neck
D tongue
Correct Answer
Option A
Solution

(a) The coughing would have been due to improper movement of epiglottis.

Q85
Identify the correct statement with reference to human digestive system.
A Serosa is the innermost layer of the alimentary canal
B Ileum is a highly coiled part
C Vermiform appendix arises from duodenum
D Ileum opens into small intestine
Correct Answer
Option B
Solution

(b) Ileum is a highly coiled tube.

Serosa is the outermost layer.

Vermiform appendix arises from caecum.

Ileum opens into large intestine.

Q86
Release of pancreatic juice is stimulated by
A Enterokinase
B Cholecystokinin
C Trypsinogen
D Secretin
Correct Answer
Option B
Solution

(b) Cholecystokinin causes release of bile from gall bladder and increases enzyme release from pancreatic cells.

Q87
Pancreatic juice and hormones of pancreas are produced by
A Same cells
B Same cells at different times
C Statement is wrong
D Different cells
Correct Answer
Option D
Solution

(d) Pancreatic juice is secreted by acini cells.

Islets of Langerhans (alpha, beta, delta cells) secrete insulin, glucagon, somatostatin hormones.

Q88
Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability?
A Thiamine - Beri-Beri
B Protein - Kwashiorkor
C Nicotinamide - Pellagra
D Iodine - Goitre
Correct Answer
Option C
Solution

(c) Pellagra (deficiency of Vit B3/Nicotinic acid) causes thick pigmented skin of hands and legs, swollen lips, diarrhoea.

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